5310-01-312-7660

Find complete technical information, availability, and procurement data for: 5310-01-312-7660
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5310-01-312-7660 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-312-7660

Item Name Code

01857

Assigment Date

12/22/1989 (36 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.375 inches nominal nut height, 0.500 inches nominal width across flats, hexagon nut style, 2b thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.375 inches nominal
Width Across Flats: 0.500 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Bearing Surface Type: washer faced
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626 fed spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 1 fed spec single treatment response overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
7135277P061	Hexagon Plain Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-312-7660?

The FSCG of the NSN 5310-01-312-7660 is 5310

Does the NSN 5310-01-312-7660 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-312-7660 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-312-7660 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-312-7660 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-312-7660 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Dec 22, 1989